Home / 13,171.92-19,766.77-4,858.59

Finding the Fourth Proportional to 13,171.92, 19,766.77 and 4,858.59

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Solution

The fourth proportional to 13,171.92, 19,766.77 and 4,858.59 is: 7,291.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    13,171.92 : 19,766.77 = 4,858.59 : x
  2. Step 2: Convert to fraction form
    13,171.92/19,766.77 = 4,858.59/x
  3. Step 3: Cross multiply
    13,171.92x = 19,766.77 × 4,858.59
  4. Step 4: Simplify right side
    13,171.92x = 96,038,631.05
  5. Step 5: Solve for x
    x = 96,038,631.05/13,171.92
  6. Step 6: Final answer
    x = 7,291.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.